4138049769 has 8 divisors (see below), whose sum is σ = 6305599680. Its totient is φ = 2364599856.

The previous prime is 4138049737. The next prime is 4138049789. The reversal of 4138049769 is 9679408314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4138049769 - 2⁵ = 4138049737 is a prime.

It is a super-2 number, since 2×4138049769² = 34246911781441906722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4138049719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98524974 + ... + 98525015.

It is an arithmetic number, because the mean of its divisors is an integer number (788199960).

Almost surely, 2^4138049769 is an apocalyptic number.

It is an amenable number.

4138049769 is a deficient number, since it is larger than the sum of its proper divisors (2167549911).

4138049769 is a wasteful number, since it uses less digits than its factorization.

4138049769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197049999.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 4138049769 is about 64327.6749851881. The cubic root of 4138049769 is about 1605.4566001308.

The spelling of 4138049769 in words is "four billion, one hundred thirty-eight million, forty-nine thousand, seven hundred sixty-nine".